function navigation(linker) {
	var ul = document.getElementById("mainNav");
	var liList = ul.getElementsByTagName("a");
	var Total = liList.length;
	var videoPane = "";
	var xxt = document.getElementById("videocontsmlvidpath").value;
	var i=0;

	if (linker != 1) {
		videoPane = document.getElementById("videocontsmlvid");
		videoPane.innerHTML = "<span></span>";
	} else {
		showsmallVideo(xxt);
	}
	
	var linkUrl = '';
	
	// commented links are for testing only
	switch(linker)
	{
		case "0":
			linkUrl = "http://switch.atdmt.com/action/ukmukd_ASPNETHomeTab_9";
			break;
		case "1":
			linkUrl = "http://switch.atdmt.com/action/ukmukd_ASPNETEnvironmentTab_1";
			break;
			
		case "2":
			linkUrl = "http://switch.atdmt.com/action/ukmukd_ASPNETWhosUsingTab_1";
			break;
			
		case "3":
			linkUrl = "http://switch.atdmt.com/action/ukmukd_ASPNETHostingTab_1";
			break;
			
		case "4":
			linkUrl = "http://switch.atdmt.com/action/ukmukd_ASPNETSecurityTab_1";
			break;
			
		case "5":
			linkUrl = "http://switch.atdmt.com/action/ukmukd_ASPNETSupportTab_1";
			break;
			
		case "6":
			linkUrl = "http://switch.atdmt.com/action/ukmukd_ASPNETDownloadsTab_1";
			break;
			
		default:
			linkUrl = "";
	}
	
	document.location.href = linkUrl;
	
	return false;
}

function onLoad() 
{
	var highlight = qryStr();
	//var pl = navigation(highlight);
	document.getElementById(highlight).style.display = "block"; 
	document.getElementById(highlight + "Link").style.color= "#0479e6"; 
}


function qryStr()
{
	var qsParm = new Array();

	var query = window.location.search.substring(1);
	var parms = query.split('&');

	for (var i=0; i<parms.length; i++) 
	{
		var pos = parms[i].indexOf('=');
		if (pos > 0) 
		{
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			qsParm[key] = val;
		}
	}

	var result = qryStrText(qsParm["mnu"]);

	// Theres only one - for now
	return result;
}

function qryStrText( selNo )
{
	var retVal = "";
	
	var selInt = parseInt(selNo);

	switch(selInt)
	{
	
		case 0:
			retVal = "0";
			break;
		
		case 1:
			retVal = "1";
			break;
			
		case 2:
			retVal = "2";
			break;
			
		case 3:
			retVal = "3";
			break;
			
		case 4:
			retVal = "4";
			break;
			
		case 5:
			retVal = "5";
			break;

		case 6:
			retVal = "6";
			break;

		default:
			retVal = "0";
	}

	return retVal;
}